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km/uart: port UART interface of KM Kirkwood boards to driver model

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Activate the driver model for the serial interface in the KM Kirkwood
Kconfig file. The associated preprocessor definitions could be removed
from the header file. However, the clock of 200 MHz needs to be declared
in the device tree.

Signed-off-by: Pascal Linder <pascal.linder@edu.hefr.ch>
Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Pascal Linder 2019-07-09 09:30:26 +02:00 committed by Stefan Roese
parent 9db6bff8b5
commit b75e9e3fce
3 changed files with 2 additions and 9 deletions
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1
arch/arm/dts/kirkwood-km_common.dtsi
View File

@ -22,6 +22,7 @@
serial@12000 {
status = "okay";
clock-frequency = <200000000>;
};
};

1
board/keymile/km_arm/Kconfig
View File

@ -42,6 +42,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select BOARD_LATE_INIT
select DM
select DM_SERIAL
select DM_SPI
select DM_SPI_FLASH
imply CMD_CRAMFS

9
include/configs/km/km_arm.h
View File

@ -60,15 +60,6 @@
#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */
/*
* NS16550 Configuration
*/
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
#define CONFIG_SYS_NS16550_CLK CONFIG_SYS_TCLK
#define CONFIG_SYS_NS16550_COM1 KW_UART0_BASE
#define CONFIG_SYS_NS16550_COM2 KW_UART1_BASE
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is